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Finding the Fourth Proportional to 351,675.20, 527,512.80 and 339,233.60

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Solution

The fourth proportional to 351,675.20, 527,512.80 and 339,233.60 is: 508,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,675.20 : 527,512.80 = 339,233.60 : x
  2. Step 2: Convert to fraction form
    351,675.20/527,512.80 = 339,233.60/x
  3. Step 3: Cross multiply
    351,675.20x = 527,512.80 × 339,233.60
  4. Step 4: Simplify right side
    351,675.20x = 178,950,066,190.08
  5. Step 5: Solve for x
    x = 178,950,066,190.08/351,675.20
  6. Step 6: Final answer
    x = 508,850.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.